参数资料
型号: MCP3008-I/P
厂商: Microchip Technology
文件页数: 2/40页
文件大小: 0K
描述: IC ADC 10BIT 2.7V 8CH SPI 16-DIP
标准包装: 30
位数: 10
采样率(每秒): 200k
数据接口: 串行,SPI?
转换器数目: 1
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-PDIP
包装: 管件
输入数目和类型: 8 个单端,单极;4 个伪差分,单极
产品目录页面: 672 (CN2011-ZH PDF)
MCP3004/3008
DS21295D-page 10
2008 Microchip Technology Inc.
Note:
Unless otherwise indicated, VDD = VREF = 5V, fCLK = 18* fSAMPLE, TA = +25°C.
FIGURE 2-19:
Gain Error vs. Temperature.
FIGURE 2-20:
Signal-to-Noise (SNR) vs.
Input Frequency.
FIGURE 2-21:
Total Harmonic Distortion
(THD) vs. Input Frequency.
FIGURE 2-22:
Offset Error vs.
Temperature.
FIGURE 2-23:
Signal-to-Noise and
Distortion (SINAD) vs. Input Frequency.
FIGURE 2-24:
Signal-to-Noise and
Distortion (SINAD) vs. Input Signal Level.
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
-50
-25
0
25
50
75
100
Temperature (°C)
Gai
n
Error
(L
SB)
VDD = VREF = 5 V
fSAMPLE = 200 ksps
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
0
10
20
30
40
50
60
70
80
110
100
Input Frequency (kHz)
SNR
(d
B)
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
VDD = VREF = 5 V
fSAMPLE = 200 ksps
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1
10
100
Input Frequency (kHz)
T
H
D
(
d
B)
VDD = VREF = 5 V
fSAMPLE = 200 ksps
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
0.0
0.2
0.4
0.6
0.8
1.0
1.2
-50
-25
0
25
50
75
100
Temperature (°C)
Offs
et
E
rror
(LS
B
)
VDD = VREF = 5 V
fSAMPLE = 200 ksps
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
0
10
20
30
40
50
60
70
80
1
10
100
Input Frequency (kHz)
SI
NA
D
(dB)
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
VDD = VREF = 5 V
fSAMPLE = 200 ksps
0
10
20
30
40
50
60
70
-40-35
-30-25
-20-15
-10
-5
0
Input Signal Level (dB)
SI
N
AD
(dB)
VDD = VREF = 2.7 V
fSAMPLE = 75 ksps
VDD = VREF = 5 V
fSAMPLE = 200 ksps
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